{"id":137783,"date":"2026-02-18T12:03:17","date_gmt":"2026-02-18T11:03:17","guid":{"rendered":"https:\/\/stage.hibike.com\/shop\/uncategorized\/shimano-ultegra-fc-r8100-kurbelgarnitur-50-34-zaehne-175mm-bulk\/"},"modified":"2026-11-15T14:51:07","modified_gmt":"2026-11-15T13:51:07","slug":"shimano-ultegra-fc-r8100-kurbelgarnitur-2x12-fach-5034-zahne-175mm-bulk","status":"publish","type":"product","link":"https:\/\/stage.hibike.com\/en\/shop\/komponenten\/antrieb\/kurbeln\/shimano-ultegra-fc-r8100-kurbelgarnitur-2x12-fach-5034-zahne-175mm-bulk\/","title":{"rendered":"Shimano Ultegra FC-R8100 Kurbelgarnitur 2×12-fach 50\/34 Z\u00e4hne 175mm (BULK)"},"content":{"rendered":"
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Maximum performance with the Ultegra R8100 crankset<\/h2>\n

Experience speed and efficiency on a whole new level with the Ultegra crankset. It impresses with its lightweight construction, excellent stiffness, and direct power transfer. For ambitious road cyclists who demand more.<\/p>\n<\/div>\n

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Press the pedal hard \u2013 feel the difference<\/h3>\n

The latest Ultegra crankset transfers your power to the road without loss. Thanks to Hollowtech II technology, you benefit from low weight and exceptional stiffness. Precise shifting ensures fast and smooth gear changes. With various chainring sizes and lengths available, the crankset adapts perfectly to your needs.<\/p>\n

Technology for winners<\/h3>\n

Whether for training or racing: The cleverly designed 4-arm construction made of hollow-forged aluminum and carbon saves weight without compromising stability. The Ultegra R8100 is 2x12-speed compatible and will impress ambitious riders who demand the best.<\/p>\n<\/div>\n

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specification<\/h3>\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
feature<\/th>\nDescription<\/th>\n<\/tr>\n<\/thead>\n
Axle diameter<\/td>\n24 mm<\/td>\n<\/tr>\n
gradation<\/td>\n34-50<\/td>\n<\/tr>\n
Color<\/td>\nAnthracite \/ Black<\/td>\n<\/tr>\n
aisles<\/td>\n2x12-speed<\/td>\n<\/tr>\n
Chainring material<\/td>\nAluminum\/Carbon (large), Aluminum (small)<\/td>\n<\/tr>\n
catenary<\/td>\n44.5 mm<\/td>\n<\/tr>\n
Compatible bottom brackets<\/td>\nHollowtech II (SM-BBR60, SM-BB72-41B and others)<\/td>\n<\/tr>\n
Crank lengths<\/td>\n175 mm<\/td>\n<\/tr>\n
Crank system<\/td>\nHollowtech II, 4-arm, asymmetrical<\/td>\n<\/tr>\n
bolt circle<\/td>\n110 mm, 4-arm, asymmetrical<\/td>\n<\/tr>\n
Crank arm material<\/td>\nHollow-forged aluminum<\/td>\n<\/tr>\n
Q-factor<\/td>\n148 mm<\/td>\n<\/tr>\n
series<\/td>\nUltegra R8100<\/td>\n<\/tr>\n
Weight<\/td>\napprox. 700 g<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n
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Scope of delivery<\/h3>\n
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  • 1x Shimano Ultegra crankset FC-R8100 175mm 50\/34 teeth<\/li>\n
  • 1x crank screw<\/li>\n<\/ul>\n<\/div>\n
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    Accessory recommendations<\/h3>\n\n\n\n\n\n\n\n\n
    Accesories<\/th>\nWhy you need it<\/th>\n<\/tr>\n<\/thead>\n
    Shimano bottom bracket SM-BB72<\/td>\nEnsures optimal responsiveness and fits perfectly with the Hollowtech II axle of the crank.<\/td>\n<\/tr>\n
    Shimano CN-M8100 12-speed chain<\/td>\nGuaranteed precise shifting and long-lasting performance in the 2\u00d712 drive system.<\/td>\n<\/tr>\n
    Shimano Di2 shift\/brake lever ST-R8170<\/td>\nEnables electronically precise, lightning-fast shifting operations with the Ultegra crankset.<\/td>\n<\/tr>\n
    Shimano front derailleur FD-R8150<\/td>\nPerfectly matched to the crank for fast and reliable gear changes.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n
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    Here's what we think about it<\/h3>\n

    The Ultegra crankset feels absolutely stiff on climbs. Not a single watt is lost.<\/p>\n

    When accelerating, you notice how directly the power is transferred to the road. It's simply a new driving experience.<\/p>\n

    Many sporty riders praise the precise shifting and the low weight of the crank.<\/p>\n

    One user raves: "With this crank, I'm faster and safer on the road."<\/p>\n

    The workmanship is of the usual high quality. A top choice for ambitious road bikers.<\/p>\n<\/div>\n<\/div>\n\n\n\n\n\n\n\n\n
    brand<\/th>\nShimano<\/td>\n<\/tr>\n
    EAN<\/th>\n4255898604717<\/td>\n<\/tr>\n
    drive<\/th>\n2x12-speed<\/td>\n<\/tr>\n
    Area of application<\/th>\nStreet<\/td>\n<\/tr>\n
    chainring<\/th>\n50\/34<\/td>\n<\/tr>\n
    Crank arm length<\/th>\n175 mm<\/td>\n<\/tr>\n
    material<\/th>\naluminum<\/td>\n<\/tr>\n<\/table>","protected":false},"excerpt":{"rendered":"

    Maximale Performance mit der Ultegra R8100 Kurbel Mit der Ultegra Kurbel erlebst Du Geschwindigkeit und Effizienz auf neuem Level. Sie überzeugt mit Leichtbau, exzellenter Steifigkeit und direkter Kraftübertragung. Für ambitionierte Roadbiker, die mehr erwarten. Tritt kraftvoll aufs Pedal – spüre den Unterschied Die neueste Ultegra-Kurbel bringt Deine Power ohne Verluste auf die Straße. Dank der […]<\/p>\n","protected":false},"featured_media":1082265,"comment_status":"open","ping_status":"open","template":"","meta":[],"product_brand":[22442],"product_cat":[15519,3661,15460],"product_tag":[19555],"class_list":["post-137783","product","type-product","status-publish","has-post-thumbnail","product_brand-shimano","product_cat-antrieb","product_cat-komponenten","product_cat-kurbeln","product_tag-bulk","member-discount","discount-restricted","first","instock","sale","taxable","shipping-taxable","purchasable","product-type-simple","has-product-safety-information"],"_links":{"self":[{"href":"https:\/\/stage.hibike.com\/en\/wp-json\/wp\/v2\/product\/137783","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/stage.hibike.com\/en\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/stage.hibike.com\/en\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/stage.hibike.com\/en\/wp-json\/wp\/v2\/comments?post=137783"}],"version-history":[{"count":3,"href":"https:\/\/stage.hibike.com\/en\/wp-json\/wp\/v2\/product\/137783\/revisions"}],"predecessor-version":[{"id":1578182,"href":"https:\/\/stage.hibike.com\/en\/wp-json\/wp\/v2\/product\/137783\/revisions\/1578182"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/stage.hibike.com\/en\/wp-json\/wp\/v2\/media\/1082265"}],"wp:attachment":[{"href":"https:\/\/stage.hibike.com\/en\/wp-json\/wp\/v2\/media?parent=137783"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/stage.hibike.com\/en\/wp-json\/wp\/v2\/product_brand?post=137783"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/stage.hibike.com\/en\/wp-json\/wp\/v2\/product_cat?post=137783"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/stage.hibike.com\/en\/wp-json\/wp\/v2\/product_tag?post=137783"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}